S9S12P64J0CFTR Freescale Semiconductor, S9S12P64J0CFTR Datasheet - Page 495
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S9S12P64J0CFTR
Manufacturer Part Number
S9S12P64J0CFTR
Description
16-bit Microcontrollers - MCU 16-bit 64K Flash
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12P64VQK.pdf
(566 pages)
Specifications of S9S12P64J0CFTR
Rohs
yes
Core
S12
Processor Series
MC9S12P
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
3.15 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
QFN-48
Mounting Style
SMD/SMT
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The Prescaler can be calculated as follows depending on logical value of the PTPS[7:0] and PRNT bit:
PRNT = 1 : Prescaler = PTPS[7:0] + 1
14.4
This section provides a complete functional description of the timer TIM16B8CV2 block. Please refer to
the detailed timer block diagram in
Freescale Semiconductor
PTPS[7:0]
PTPS7
Field
7:0
0
0
0
0
0
0
0
0
0
0
0
0
1
Functional Description
Precision Timer Prescaler Select Bits — These eight bits specify the division rate of the main Timer prescaler.
These are effective only when the PRNT bit of TSCR1 is set to 1.
in this case.
The newly selected prescale factor will not take effect until the next synchronized edge where all prescale counter
stages equal zero.
PTPS6
Table 14-23. Precision Timer Prescaler Selection Examples when PRNT = 1
0
0
0
0
0
0
0
0
0
0
0
1
1
PTPS5
0
0
0
0
0
0
0
0
0
0
1
1
1
Table 14-22. PTPSR Field Descriptions
S12P-Family Reference Manual, Rev. 1.13
Figure 14-30
PTPS4
0
0
0
0
0
0
0
0
0
1
1
1
1
PTPS3
as necessary.
0
0
0
0
0
0
0
0
1
1
1
1
1
Description
PTPS2
0
0
0
0
1
1
1
1
1
1
1
1
1
Table 14-23
Timer Module (TIM16B8CV2) Block Description
PTPS1
0
0
1
1
0
0
1
1
1
1
1
1
1
shows some selection examples
PTPS0
0
1
0
1
0
1
0
1
1
1
1
1
1
Prescale
Factor
128
256
16
32
64
1
2
3
4
5
6
7
8
495
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